Condensed Consolidated Statement of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash Flows from Operating Activities:
Net loss	$ (44,870)	$ (14,046)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation, depletion and amortization	44,968	22,947
Impairment of oil and gas properties		3,534
Deferred tax expense	1,969	128
Unrealized gains on derivatives	(2,659)	(1,580)
Amortization of non-cash compensation	971	832
Amortization of loan costs and discount	6,705	3,439
Non-cash interest expense	1,883	2,274
Loss on early extinguishment of financing agreements	6,856
Litigation settlement expense	19,034
Other	1,847	(4,723)
Changes in operating assets and liabilities:
Decrease in receivables	19,001	15,829
Increase in other current assets	(5,056)	(11,359)
Increase (decrease) in liabilities	(23,100)	30,330
Net Cash Provided by Operating Activities	27,549	47,605
Cash Flows From Investing Activities:
Capital expenditures	(28,845)	(59,074)
Proceeds from sales, net of cash	1,352
Increase in restricted cash	(2,457)
Net Cash Used in Investing Activities	(29,950)	(59,074)
Cash Flows From Financing Activities:
Repayments of borrowings	(115,163)
Borrowings under debt agreements, net of debt discount	140,625
Proceeds from issuance of common stock	12,376
Proceeds from issuance of monetary production payment		43,000
Repayments of monetary production payment	(5,000)
Financing costs paid	(9,273)	(9,935)
Other financing	(416)
Net Cash Provided by Financing Activities	23,149	33,065
Net Increase in Cash and Cash Equivalents	20,748	21,596
Cash and Cash Equivalents, Beginning of Period	34,742	59,185
Cash and Cash Equivalents, End of Period	$ 55,490	$ 80,781